266241475447465 has 16 divisors (see below), whose sum is σ = 365136175123200. Its totient is φ = 182563078766400.

The previous prime is 266241475447439. The next prime is 266241475447537. The reversal of 266241475447465 is 564744574142662.

It is not a de Polignac number, because 266241475447465 - 2²¹ = 266241473350313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266241475447465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49585261 + ... + 54691690.

It is an arithmetic number, because the mean of its divisors is an integer number (22821010945200).

Almost surely, 2^{266241475447465} is an apocalyptic number.

It is an amenable number.

266241475447465 is a deficient number, since it is larger than the sum of its proper divisors (98894699675735).

266241475447465 is a wasteful number, since it uses less digits than its factorization.

266241475447465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104349912.

The product of its digits is 1083801600, while the sum is 67.

The spelling of 266241475447465 in words is "two hundred sixty-six trillion, two hundred forty-one billion, four hundred seventy-five million, four hundred forty-seven thousand, four hundred sixty-five".